Home / 88,708.25-122,461.32-56,474.91

Finding the Fourth Proportional to 88,708.25, 122,461.32 and 56,474.91

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Solution

The fourth proportional to 88,708.25, 122,461.32 and 56,474.91 is: 77,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,708.25 : 122,461.32 = 56,474.91 : x
  2. Step 2: Convert to fraction form
    88,708.25/122,461.32 = 56,474.91/x
  3. Step 3: Cross multiply
    88,708.25x = 122,461.32 × 56,474.91
  4. Step 4: Simplify right side
    88,708.25x = 6,915,992,025.48
  5. Step 5: Solve for x
    x = 6,915,992,025.48/88,708.25
  6. Step 6: Final answer
    x = 77,963.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.